Reaction of turbulence at the edge and in the center of the plasma column to pulsed impurity injection caused by the sputtering of the wall coating in L-2M stellarator
- 作者: Batanov G.1, Berezhetskii M.1, Borzosekov V.1,2, Vasilkov D.1,3, Vafin I.1, Grebenshchikov S.1, Grishina I.1, Kolik L.1, Konchekov E.1,2, Larionova N.1, Letunov A.1, Logvinenko V.1, Malakhov D.1,2,4, Meshcheryakov A.1, Petrov A.1,2, Sarksian K.1, Skvortsova N.1,4,5, Stepakhin V.1,2, Kharchev N.1, Kharchevskii A.1, Kholnov Y.1, Shchepetov S.1
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隶属关系:
- Prokhorov General Physics Institute
- Pirogov Russian National Research Medical University
- Bauman Moscow State Technical University
- Moscow Technological University
- National Research Nuclear University “MEPhI,”
- 期: 卷 43, 编号 8 (2017)
- 页面: 818-823
- 栏目: Stellarators
- URL: https://journals.rcsi.science/1063-780X/article/view/186180
- DOI: https://doi.org/10.1134/S1063780X17080049
- ID: 186180
如何引用文章
详细
Impurity injection into plasma caused by the sputtering of the wall coating in the L-2M stellarator during auxiliary electron cyclotron resonance heating leads to a change in the level of plasma density fluctuations with frequencies above 0.25 MHz: suppression of long-wavelength (k⊥ = 2 cm–1) density fluctuations in the edge plasma, intensification of short-wavelength (k⊥ = 30 cm–1) and long-wavelength (k⊥ = 1 cm–1) fluctuations at the midradius of the plasma column, and intensification of short-wavelength fluctuations (k⊥ = 20 cm–1) in the plasma center (including the gyroresonance region). At the same time, the level of fluctuations with frequencies below 0.25 MHz remains unchanged. In the edge plasma, a decrease in the plasma potential and suppression of its fluctuations is observed during impurity injection, which also causes an increase in MHD activity.
作者简介
G. Batanov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
M. Berezhetskii
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
V. Borzosekov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 117997
D. Vasilkov
Prokhorov General Physics Institute; Bauman Moscow State Technical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 105005
I. Vafin
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
S. Grebenshchikov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
I. Grishina
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
L. Kolik
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
E. Konchekov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
编辑信件的主要联系方式.
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 117997
N. Larionova
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
A. Letunov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
V. Logvinenko
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
D. Malakhov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University; Moscow Technological University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 117997; Moscow, 119454
A. Meshcheryakov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
A. Petrov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 117997
K. Sarksian
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
N. Skvortsova
Prokhorov General Physics Institute; Moscow Technological University; National Research Nuclear University “MEPhI,”
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 119454; Moscow, 115409
V. Stepakhin
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 117997
N. Kharchev
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
A. Kharchevskii
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
Yu. Kholnov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991
S. Shchepetov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, Moscow, 119991